Steps
1. Carefully separate 4-5 large lettuce leaves from the head, rinse, and pat dry.
2. In a bowl, mix the shredded chicken with lime juice, salt, and pepper.
3. Spoon a portion of the chicken mixture onto each lettuce leaf.
4. Top with diced tomatoes, avocado slices, and a dollop of Greek yogurt.
5. Garnish with fresh cilantro if desired.
6. Wrap the lettuce around the fillings and enjoy your fresh tacos!